Next is Nate Cooper, a teacher who is the founder of Happstr. “Happstr is a happiness tracker,” he explains, and describes how users push a “big friendly button” on their iPhones when they are happy, or they can search a “heat map” for the greatest concentration of happy people. “A Harvard study has shown that a friend of a friend being happy can increase [your own] happiness by 10 percent. And a friend of a friend of a friend, by 6 percent,” he says. He closes his pitch by saying, “Find your happy place!”